Plug



FIG. 1 is a perspective view showing the top, side, and rear of the plug which forms my new design, wherein the broken line showing of the electronic device is for the purpose of illustrating environment and forms no part of the claimed design;

FIG. 2 is an enlarged perspective view showing the top, one side and the rear thereof;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is an enlarged front elevational view thereof;

FIG. 5 is an enlarged left side elevational view thereof, this view and the opposite right side elevational view being mirror images; and,

FIG. 6 is an enlarged top plan view thereof, this view and the opposite bottom plan view being mirror images. 

The ornamental design for a plug, as shown and described. 